Structured COBOL : a step by step approach - Litecky, Charles R. 4 0 16; Davis, Gordon Bitter.;Davis, Gordon Bitter; 5 (New York : McGraw-Hill, 1987)
Rev. ed. of: Elementary structured COBOL / Gordon B. Davis, Margrethe H. Olson, Charles R. Litecky. c1977.;Includes index.
Keywords: 2 -- 0; 6; COBOL (Computer program language);Structured programming. -- 20; 20; 2